In Manhattan, a mother of two preparing for her daughter's sixth birthday party has no idea of the challenges she's about to face in order to pull off the event.
| Actor | Role |
|---|---|
 Uma ThurmanEliza Welsh | Eliza Welsh |
 Minnie DriverSheila | Sheila |
 Anthony EdwardsAvery Welch | Avery Welch |
 David SchallippLucas Welch | Lucas Welch |
| MMatthew SchallippLucas Welch | Lucas Welch |
 Daisy TahanClara Welch | Clara Welch |
 Alice DrummondEdith | Edith |
 Stephanie SzostakFrench Neighbor | French Neighbor |
 Kerry BishéGood Sharing Mom | Good Sharing Mom |
 Clea LewisLily | Lily |
 Dale SoulesHester | Hester |
 Jodie FosterJodie Foster | Jodie Foster |
 Samantha BeeAlison Hooper | Alison Hooper |
 Aunjanue Ellis-TaylorSample Sale Friend | Sample Sale Friend |
 Jake M. SmithSnotty Production Assistant (as Jake Smith) | Snotty Production Assistant (as Jake Smith) |
| SShannon BurkettWoman in Bakery Line | Woman in Bakery Line |
 Arjun GuptaMikesh | Mikesh |